Document bZD1Q5m2EbMpE2aXQo142OMO

ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY DATA SHEET Type Test 3 7 ^ 7 7 C. Material Tested /of- C&3 Test Organism f> S U rtA jU Avg. Wt. /. 2 grans Avg. Size 3 . & cm /6Test Solution Volume Liters/Tank No. Organisms per dose______2. O Time Started ? ~0 V PV^ Date Started S- S j ? -7F Date Coiqpleted JT-2*7- Dilution Water Carbon Filter - Well Water (Teap. l9C., D.O. ff-^ppa, pH_ 7-<6 ) Investigator M ^ No. rv^\l Irganisms 24 Hrs. D.O. Cone. Exposed No.Dead pH ppm Control 2 - 0 <& If (O O 2o !? f 20 6o 7-S . I 7, 62 A ?,? 6.0 \ o 7,6 9 \1 ?, / to Q-cJ \6 7-6 a LC 50 (95% Confidence Limits) ___________ <- 6 2 ___ LI 48 Hrs. No.Dead pH o 7.7 2. 7,6 D.O. ppm 6.2 6.C? 72 Hrs. No.Dead o A D.O. pH ppm 7i 9 67,7 ST 96 Hrs. No.Dead Q> 4 D.O. pH ppa 7,6 r ? 77 r 7-7 \ 3 7.7 l<\ 7-6 r.r 2 0 7.*- n 7 1^ 7 7 C P 2.0 7-2 4^ 6 2.0 7.7 2.0 7,7 2 0 -- -- 2 .0 ; Temp. Comments: t C ,C \OlC llC_